On 2/3/2009 6:06 AM, Paolo Supino wrote:
> Hi Peter
>
> I tried that and it the result is the same: Linux only finds,
> initializes and uses only 1 core ... :-( Is there anything else I can
> try to have Linux initialize all 4 cores?
>
>
>
>
>
>
>
> --
> TIA
> Paolo
>
>
>
> On Tue, Feb 3, 2009 at 12:44 PM, Peter Kjellstrom <cap@xxxxxxxxxx
> <mailto:cap@xxxxxxxxxx>> wrote:
>
> On Tuesday 03 February 2009, Paolo Supino wrote:
> > Hi
> >
> > I've installed CentOS 5.2 (i386) in a computer with a DG33BU
> motherboard
> > ... When I installed it it crashed because of ACPI issues.
> Searching Google
> > I found that I need to turn ACPI off in order to successfully
> install
> > CentOS, which I did.
> > After a while I noticed that because of ACPI is off the Linux
> kernel
> > finds, initializes and uses only 1 CPU core in the Q6600 quad
> core CPU that
> > is installed in this computer :-(
> > How can I force it to find, initialize and use all the 4 cores
> in the
> > computer even if ACPI is off?
>
> Try to leave ACPI on and boot with "pci=nommconf" instead. This
> works on my
> DG33 (mine is a TL not a BU though).
>
> /Peter
>
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Did you turn acpi back on AND try that boot command?
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